SEROTONIN RELEASE ASSAY, UNFRACTIONATED HEPARIN

Test Documentation
Specimen Required
Draw blood in a plain red-top tube. Centrifuge, separate and send 1.0 mL serum (0.4 mL minimum) frozen in a screw-capped plastic vial.

Alternate Specimen
Serum: SST

Methodology
Radiobinding 14C Serotonin Radiolabel

Stability
Room Temperature: 24 hours; Refrigerated: 48 hours; Frozen: 6 months

Reference Range
A sample is considered negative if there is: <20% release

Performed
Sunday-Thursday

Turnaround Time4-6 days
Test CodeSRAQ
CPT-4 Code (s)
86022
LOINC Codes
UFH High Dose, 100 IU/mL   50727-7  
UFH Low Dose, 0.1 IU/mL   50728-5  
UFH SRA Result   50733-5  
UFH Low Dose, 0.5 IU/mL   74005-0  

Warde
Medical
Laboratory